<template>
    <div class="auth-page">
  <div class="container page">
    <div class="row">

      <div class="col-md-6 offset-md-3 col-xs-12">
        <h1 class="text-xs-center">{{isLogin?' Sign in':' Sign up'}}</h1>
        <p class="text-xs-center">
          <nuxt-link v-if="isLogin" to="/register">Need an account?</nuxt-link>
          <nuxt-link v-else to="/login">Have an account?</nuxt-link>
        </p>
        <ul class="error-messages">
            <template v-for="(messages,field) in errors">
                <li v-for="(message,index) in messages" :key="index">
                    {{field}} {{message}}
                </li>
            </template>
        </ul>
        <form @submit.prevent="onSubmit">
          <fieldset class="form-group" v-if="!isLogin">
            <input class="form-control form-control-lg" v-model="user.username" placeholder="Your Name" required>
          </fieldset>
          <fieldset class="form-group">
            <input class="form-control form-control-lg" type="email" v-model="user.email" placeholder="Email" required>
          </fieldset>
          <fieldset class="form-group">
            <input class="form-control form-control-lg" minlength="8" v-model="user.password" type="password" placeholder="Password" required>
          </fieldset>
          <button class="btn btn-lg btn-primary pull-xs-right">
            {{isLogin?' Sign in':' Sign up'}}
          </button>
        </form>
      </div>

    </div>
  </div>
</div>
</template>
<script>
import {login,register} from '@/api/user'
// 只在客户端加载，process.client：true 客户端
const Cookie = process.client ? require('js-cookie') : null
export default {
    name:'loginindex',
    middleware:'login',
    computed:{
        isLogin(){
            return this.$route.name === 'login'
        }
    },
    data(){
        return{
            user:{
                username:"",
                email: "",
                password: ""
            },
            errors:{}
        }
    },
    methods:{
       async onSubmit(){
            try {
                const {data} = this.isLogin? await login({user:this.user}) : await register({user:this.user})
                this.$store.commit('setUser',data.user)
                // 防止刷新页面数据丢失
                Cookie.set('user',data.user)
                this.$router.push('/')
            } catch (error) {
                this.errors = error.response.data.errors
            }
        }
    }
}
</script>